4.6Gtconv

Well I just recently bought a SCT eliminator chip... I have the 87.. 91..and 93 tune... Here in California I think most places there is only 91 octane fuel... In my town I have the option of race gas 100 octane... So my question is how much 91 octane to how much 100 octane would i need to make 93 octane ? one gallon of 100 to 5 gallons of 91 ? anyone know this ? just wondering if this would work ? thanks.

MyGt03

I'm sure it would work. The ratio needed i cant tell you. However, it might be easier to fill completely up with the 91 octane and use an aftermarket octane booster. There might be a ratio on the can that would give you the octane rating you are after.

Although, I have never messed with octane booster and don't know of any ill affects of using. Just a thought. Maybe someone else will come along and give a yea or neigh to the idea.

Repzard

Why not just run the 91 tune?
I cant see it being much different from 93 tune
As for the gas question..I will take a stab.

If your tank let say is 20 gal Im guessing if you put 15 gals of 91 and 5 gals of 100 it should be pretty close to 93 maybe a little higher.

4.6Gtconv

So do you guys think it would be a bad idea then ? Should i just have them change it to 91 ? or can i run 91 fuel on a 93 tune ?

MyGt03

Can 2 whole octane really make that big of a difference? Running 91 on a 93 race tune?

airman6092

Do you have the Bama tuner? If you do just plug your tuner into your computer and go to the bama website and load the 91R tune onto your tuner, they are free anyways....I wouldnt take the chance of to much octane in your engine, dont know if it would hurt it but i wouldnt do it....if you cant get more tunes for your tuner just run 91 octane on the 93 tune, its not going to hurt anything, just may not give you the full HP that you could get ith 93 octane

kzonts

As someone else said, just submit a request for the 91 race tune with AM/BAMA. I personally wouldn't mess around with the octane, and don't run a 93 tune with 91 octane.

piledriver

Just remember, it takes TEN points to raise the octane level in Gasoline 1 point; example..... 10 points takes the gas from 91 octane to 92. There is product out there, I can't remember the name right now but willl get back to you on it, that raises the octane level 60 points per can, so your 94 octane gas is then 100 octane. The stuff works good too, but it's like $13.00 a bottle.

MCxQubed

He has a chip not the handheld (I believe) so contacting bama wouldn't do anything. To be honest I wouldn't really mess around with that, I would just run the 91 tune

kzonts

Whoops. I didn't catch that. Thx